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Product Detailed Parameters
- Description：IC SWITCH SPST X 2 4OHM 8VSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Circuit：SPST
- Multiplexer/Demultiplexer Circuit：1:01
- On-State Resistance (Max)：4Ohm
- Channel-to-Channel Matching (ΔRon)：130mOhm
- Voltage - Supply, Single (V+)：1.08V ~ 5.5V
- Voltage - Supply, Dual (V±)：-
- Switch Time (Ton, Toff) (Max)：-
- -3db Bandwidth：300MHz
- Charge Injection：1.5pC
- Channel Capacitance (CS(off), CD(off))：6pF, 10pF
- Current - Leakage (IS(off)) (Max)：80pA
- Crosstalk：-90dB @ 10MHz
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：8-VSSOP
- Number of Circuits：2
- Grade：-
- Qualification：-
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Overview
The TMUX1123DGKR is a dual-channel precision analog switch manufactured by Texas Instruments, housed in an 8-pin VSSOP package. It features two independent single-pole double-throw (SPDT) switches with a maximum on-state resistance of 4 ohms. The device operates on a single supply voltage ranging from 1.08V to 5.5V and supports bidirectional analog and digital signals from ground to VDD. It exhibits low power consumption with a maximum supply current of 1uA and maintains functionality across an extended temperature range of -40°C to +125°C.
Feature Summary
- Ultra-low leakage current performance for signal integrity
- Bidirectional switching capability within the full supply rail range
- Precision on-state resistance characteristics
Applications
- Battery-powered portable instrumentation
- Medical equipment signal routing
- Industrial process control systems
Procurement Notes
Verify the specific suffix DGKR against the manufacturer datasheet to confirm the VSSOP-8 package and reel packaging configuration. Ensure compatibility with standard surface-mount assembly processes and validate that the component meets RoHS requirements for the intended deployment environment.
Selection Notes
Select this component when dual SPDT switching is required with minimal signal distortion. The low on-resistance and wide supply range make it suitable for precision applications where power efficiency and signal fidelity are critical constraints.
Part Context
This part belongs to the TMUX11xx family of low-leakage, high-precision CMOS analog switches. These devices are designed to replace mechanical relays and other switching technologies in space-constrained designs requiring reliable signal path management.
Replacement Considerations
Direct substitutes include the TMUX1121DGKR, which offers similar dual-channel SPST functionality, and the TMUX1119DCKR for alternative pinout configurations. Verify pin compatibility and electrical specifications before substitution.
